Electrolyzer



FIG. 1 is a front view of an electrolyzer;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is first perspective view thereof;

FIG. 8 is second perspective view thereof; and,

FIG. 9 is third perspective view thereof.

The broken lines are for the purposes of illustrating portions of the electrolyzer and form no part of the claimed design. 

CLAIM The ornamental design for an electrolyzer, as shown and described. 